Recognised as Colour

#BBB1FB

#BBB1FB
Blue
Dark
Nearest: Plum

#BBB1FB is a blue with RGB values 187, 177, 251 and HSL 248°, 90%, 84%. It is a dark colour, so black text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Plum.

Colour values

#BBB1FB#BBB1FB

HEX#BBB1FB

RGBrgb(187, 177, 251)

RGB (0–1)0.7333, 0.6941, 0.9843

RGB percentages73.3%, 69.4%, 98.4%

HSLhsl(248.1, 90.2%, 83.9%)

HSV / HSBhsv(248.1, 29.5%, 98.4%)

CMYK25.5%, 29.5%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,300,795

CSS custom property--colour: #BBB1FB;

Brightness & contrast

Relative luminance0.48974WCAG 2.x, 0 is black and 1 is white

Perceived brightness189.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.79:1

Contrast with white1.95:1WCAG normal text: Fail

Contrast with black10.79:1WCAG normal text: AAA

Greyscale equivalent#B8B8B8

Inverted#444E04

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9EBBFEno red cones; affects about 1% of men; ΔE 12.9 from the original

Deuteranopia#9EB8F9no green cones; the most common form, about 1% of men; ΔE 12.5 from the original

Tritanopia#ADBECBno blue cones; rare, and affects men and women equally; ΔE 34.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.95:1WCAG large text: Fail

Contrast with black, large text10.79:1WCAG large text: AAA

Named colours

Plum · ΔE 19.1 Cornflower blue · ΔE 21.7 Thistle · ΔE 27.2 Light steelblue · ΔE 28.8 Medium purple · ΔE 30.8 Light skyblue · ΔE 30.9

Nearest named CSS colourPlum (#DDA0DD)ΔE 19.12, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#F1FBB1

Analogous#B1CCFB, #E0B1FB

Triadic#FBBBB1, #B1FBBB

Split complementary#FBE0B1, #CCFBB1

Tetradic#FBB1CC, #F1FBB1, #B1FBE0

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFFFF

Lighter +10%#E5E2FD

Darker −10%#9180F9

Darker −20%#6650F6

Darker −30%#3C1FF4

Darker −40%#260BD5

More saturated +25%#B8ADFF

Less saturated −25%#C2BBF1

Channel breakdown

R187

G177

B251

Red187 (73.3%)

Green177 (69.4%)

Blue251 (98.4%)

Hue248.11°

Saturation (HSL)90.24%

Lightness83.92%

Dominant channelBlue

Hex per channelR BB · G B1 · B FB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BBB1FB (chemical formula)

Formula
62.238 g/mol
5 atoms

BBB1FB has a molar mass of 62.238 g/mol, made up of 5 atoms across 2 elements: 4 × B, 1 × F.

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Molar mass

Molar mass62.238 g/mol

Total atoms per molecule5

Distinct elements2

Mass of one molecule1.0334863 × 10^-22 g

Molecules per gram9.675987 × 10^21

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

B69.5%

F30.5%

Boron (B × 4)43.24 g/mol, 69.475%

Fluorine (F)18.998 g/mol, 30.525%

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